#0B3D91 · near Cobalt

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#0B3D91 (RGB 11, 61, 145) is a dark, moderately saturated blue, closest to Cobalt and near Sapphire and Midnight. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #0B3D91 a natural choice for links, primary buttons, finance and technology. It appears in 3 ColorSwoop palettes. In OKLCH it has 39% lightness and 0.15 chroma at hue 261°.

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HEX#0B3D91
RGBrgb(11, 61, 145)
HSLhsl(218, 86%, 31%)
CMYK92, 58, 0, 43
CSS var--cobalt
Contrast10.04:1 white · 2.09:1 black

Similar named colors

Cobalt #0047ABSapphire #0F52BAMidnight #191970Lapis #26619CDeep Teal #0F4C5C

How to use #0B3D91

White text passes WCAG AA on #0B3D91 (10.04:1); black does not, so keep dark text off it.

For a calm scheme pair #0B3D91 with its analogous neighbors #0B8193 and #1D0B93; for contrast use its complement #93610B as a small accent, and anchor everything with a neutral such as #F5F5F7.

--cobalt: #0B3D91;

Color card

#0B3D91 hex color card: near Cobalt, RGB 11, 61, 145
Save or share #0B3D91 as an image — hex, RGB and HSL on the color itself.

Shades & tints

#020C1D#04183A#072557#093174#0B3D91#3C64A7#6D8BBD#9DB1D3#CED8E9

Color harmonies for #0B3D91

Complementary

#0B3D91#93610B

Analogous

#0B3D91#0B8193#1D0B93

Triadic

#0B3D91#930B3D#3D930B

Split complementary

#0B3D91#931D0B#81930B

Tetradic

#0B3D91#930B81#93610B#0B931D

Palettes with #0B3D91